K-Rod (Francisco Rodriguez). He stomps around on the mound and celebrates almost any outcome. Dude: you're not even the best closer in the AL WEST. Oh, and he was caught cheating (I'll find the stills if anyone needs them) last year and nothing came of it. Him or Jon Papelbon. That "intense closer stare" over the top of his glove gets real old, but not as old as the constant fawning over him by everybody.

A lot of good ones so far. To that list, I'll add Jeff Kent and Eric Byrnes. Brad Penny also seems pretty douchey, as does Latrell Spreewell.

I'd nominate Gary Sheffield, but I'd much rather not and wait for him to hold the inevitable press conference where he informs everyone that he's never recognized for anything and that he should obviously be considered in any discussion relating to the biggest douchebag in sports...douchebag.

A lot of good ones so far. To that list, I'll add Jeff Kent and Eric Byrnes. Brad Penny also seems pretty douchey, as does Latrell Spreewell. I'd nominate Gary Sheffield, but I'd much rather not and wait for him to hold the inevitable press conference where he informs everyone that he's never recognized for anything and that he should obviously be considered in any discussion relating to the biggest douchebag in sports...douchebag.

Eric is cool, at least he was when he was a kid. His sister was smoking hot in high school.

Isaiah Thomas - how in the f*ck does this idiot still have a job? Seriously? He is a complete and utter failure off the court.

Carmelo Anthony - that cheap shot followed by running away during the fight, his reaction to being punk'd, etc...

.

+1000

Did anyone nominate Bob Costas, that little piece of shit? Is there anyone more overated as an announcer that has less an understanding of the games he is calling/providing color? Classic Bob was a Bulls game where Rodman went for the rebound, got hammered and thrown to the floor and Bob's color was something along the lines of "Oh my God!, he's got that crazy look in his eyes!, what is Rodman going to do, what is he going to do!!!!!!!!!!", uh, he is going to get up and go to the free throw line, Bob, you effing white version of Webster douche.

Doubt this qualifies him for the biggest douche specifically, but the way Belichick walked off the field with 1 second remaining at the SB was pretty damn childish IMO.

He was the "other man" in an ugly divorce case. His son was convicted of marijuana possession. And he subjected a former player recovering from a concussion to hard hits in practice against the advice of the team's trainer.